DSP, Micros & Memory

New DSP gets simplified development platform

Texas Instruments recently announced the introduction of a new development platform and a new speed grade option for the TMS320C6457 digital signal processor (DSP). The simplified development platform, coupled with the TMS320C6457 – 850 MHz device, will allow customers in markets such as defence, networking, test, imaging and industrial to quickly ramp up their development efforts while providing design flexibility and upgradeability to existing TMS320C6457 processors. TI also provides a pin compatible upgrade path to 1 GHz and 1,2 GHz versions of this device.

The new TMDSEVM6457L is an easy-to-use development tool which includes robust connectivity options such as a breakout card, allowing customers to individually connect certain peripherals to configure the EVM for their needs. The EVM also comes bundled with free software including a copy of TI’s Code Composer Studio (CCS v4.2) development environment, as well as other production and demonstration software components.

Based on TI’s TMS320C64x+ DSP core, the 850 MHz to 1,2 GHz C6457 delivers 6800 (16-bit) MMACS to 9600 MMACs of peak performance and a cycle for cycle performance improvement of up to 30% compared to the previous DSP generation. Further performance improvements are enabled by 2 MB of on-chip L2 memory (up to 1 MB cacheable), faster 32-bit DDR2 EMIF (667 MHz) and memory, cache and bus architecture enhancements.

High-speed interconnect is possible with Serial RapidIO (SRIO) and Gigabit Ethernet MAC serialiser/deserialiser (SERDES) interfaces for efficient inter-processor communications. On-chip acceleration for wireless applications is provided with two Turbo-Decoder Coprocessors (TCP2) and one Viterbi Coprocessor (VCP2). This offloads the compute intensive Forward Error Correction (FEC) functionality from the DSP core, freeing it for other processing functions and tasks.

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